System.NullReferenceException: Object reference not set to an instance of an object.
   at GreenPepper.Interpreters.AbstractFlowInterpreter.IndicatesEndOfFlow(IExample table)
   at GreenPepper.Interpreters.AbstractFlowInterpreter.Interpret(ISpecification specification)
   at GreenPepper.Documents.Document.Execute(IInterpreterSelector interpreterSelector)
   at GreenPepper.Runners.DocumentRunner.Run(String source, String destination)